US9243366B2 - Method and device for manufacturing a sheet-like substrate - Google Patents
Method and device for manufacturing a sheet-like substrate Download PDFInfo
- Publication number
- US9243366B2 US9243366B2 US14/350,121 US201214350121A US9243366B2 US 9243366 B2 US9243366 B2 US 9243366B2 US 201214350121 A US201214350121 A US 201214350121A US 9243366 B2 US9243366 B2 US 9243366B2
- Authority
- US
- United States
- Prior art keywords
- security thread
- substrate
- stretch
- features
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 description 8
- 238000005286 illumination Methods 0.000 description 7
- 238000004804 winding Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/44—Latent security elements, i.e. detectable or becoming apparent only by use of special verification or tampering devices or methods
- D21H21/48—Elements suited for physical verification, e.g. by irradiation
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/40—Agents facilitating proof of genuineness or preventing fraudulent alteration, e.g. for security paper
- D21H21/42—Ribbons or strips
-
- B42D15/0026—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/355—Security threads
Definitions
- the present invention relates to a method and a device for manufacturing a sheet-type substrate having a security thread, especially a banknote paper having a security thread.
- stretch-sensitive magnetic features that are integrated into the security thread are, for example, detected with a sensor that is arranged after a dryer section of the paper machine for manufacturing the banknote paper.
- Such a magnetic measurement is very distance-sensitive and thus difficult to carry out.
- the object is solved by a method for manufacturing a sheet-type substrate having a security thread, especially a banknote paper having a security thread, in which
- the strong distance dependency between the sheet-type substrate and the sensor, as in the case of the magnetic markings, is no longer present. What is essential is only that an image of the feature is obtained with such a resolution that permits a calculation of the stretch of the embedded security thread based on the image.
- the non-obliterated sheet-type substrate includes no overstretched security thread.
- sheet-type substrate can be manufactured having an extremely small share of defects with respect to the thread overstretch.
- the method according to the present invention provides an extremely reliable and good waste recognition and obliteration.
- the region of the substrate in which the calculated stretch of the security thread exceeds the specified maximum stretch can be marked, for example with a waste mark. All marked regions or regions provided with a waste mark are considered to be obliterated and can, for example, later (e.g. at the cross cutter) be withdrawn.
- step a) especially an aqueous fiber mass that includes a mixture of water and fibers can be deposited on a support surface, and the security thread embedded in the deposited fiber mass under traction or under tension.
- step c) the spacing of two features in the longitudinal direction can be evaluated to calculate the stretch.
- step b) the images of preferably at least two features are recorded in a common recording. This can be realized in that, with an image sensor, a recording is carried out in which the at least two features are included.
- step c) at least one dimension of the at least one feature (e.g. the spread of the at least one feature in the longitudinal direction of the security thread) can be evaluated to calculate the stretch. Additionally or alternatively, the spread of the feature transversely to the longitudinal direction can be evaluated to calculate the thread stretch.
- a pattern matching can be carried out between the at least one recorded feature and a stored target image of the feature.
- Such a pattern matching can be carried out automatically with high precision.
- the distortions of the recorded feature caused by the stretch of the security thread can be taken into account.
- the features can be so-called cleartext (gaps in the form of a number, letter and/or character string in an opaque coating). Alternatively, the features can also be present in the form of so-called positive text (opaque coating in the form of a number, letter and/or character string in transparent surroundings) or a combination of the two forms.
- the features can also include or depict geometric patterns. For example, the feature can exhibit a quadratic or rectangular shape.
- the features can be such features that, on the security thread, already serve to verify the authenticity of the sheet-type substrate in which the security thread is embedded. Thus, no additional features need be provided that serve only to verify the thread stretch upon manufacture of the sheet-type substrate.
- the features are preferably developed periodically on the security thread in the longitudinal direction.
- step a) of the embedding of the security thread can be controlled depending on the stretch calculated in step c) to prevent an exceedance of the specified maximum stretch of the security thread.
- the sheet-type substrate having the embedded security thread can be manufactured in a paper manufacturing machine having a moving mold, step b) being carried out immediately after the substrate is removed from the mold.
- step b) being carried out immediately after the substrate is removed from the mold.
- the sheet-type substrate having the embedded security thread can be manufactured in a paper manufacturing machine having a moving mold, step b) being carried out at the end of the paper manufacturing machine.
- step b) can be carried out after a dryer section of the paper manufacturing machine, or shortly before the winding of the sheet-type substrate.
- the recording can be carried out in transmitted light or reflected light.
- the recording can be carried out with light from the visible wavelength range, IR radiation and/or UV radiation.
- step d) the mechanical tension of the security thread can be controlled at embedding in step a), such that an overstretching of the embedded thread is prevented to the greatest extent possible.
- the security thread can also be developed as a security foil or other elongated security element.
- the security element preferably exhibits the features periodically spaced apart from each other in the longitudinal direction.
- the sheet-type substrate manufactured with the method according to the present invention and having the at least partially embedded security thread can also be referred to as security paper, and serve to manufacture value documents, such as banknotes.
- the security thread can exhibit a width in the range from 0.2 to 40 mm, especially in the range from 1 to 12 mm, and particularly preferably in the range from 1 to 6 mm.
- the features preferably exhibit a size of at least 0.2 mm.
- the spacing of two consecutive features is preferably less than one sheet length of the sheet-type substrate. In this way, it can be ensured that each sheet having an overstretched security thread can be reliably obliterated, since the stretch can be determined at least once per sheet.
- the spacing of two immediately consecutive features can lie in the range from 5 to 35 mm. This can be the case, for example, when the sheets serve to manufacture banknotes, and 5 to 12 banknotes are to be manufactured per sheet in the longitudinal direction of the security thread. Since the features are to be included at least in each banknote, half the banknote height can be chosen as the spacing of two immediately consecutive features.
- the position of the security thread can oscillate transversely to its longitudinal direction. Said lateral variation in the position of the security thread is, of course, taken into account in step d).
- a device for manufacturing a sheet-type substrate having a security thread especially a banknote paper having a security thread, having a substrate module that inserts into the substrate, in such a way that it is at least partially embedded in the substrate, a security thread having features spaced apart from one another in the longitudinal direction of the security thread, an image recording module that displays at least one of the features as an image after the embedding of the security thread, a control unit that calculates the stretch of the embedded security thread in the longitudinal direction based on the image of the at least one feature, and having an obliteration module that, depending on the stretch calculated by the control unit, obliterates the region of the substrate in which the calculated stretch of the security thread exceeds a specified maximum stretch.
- the stretch of the embedded security thread can be calculated reliably and with high precision. In this way, it is possible to manufacture a sheet-type substrate that includes, with the greatest reliability, no overstretched security thread (the regions having an overstretched security thread have been obliterated according to the present invention).
- control unit can evaluate the spacing of two features in the longitudinal direction to calculate the stretch. Further, the control unit can additionally or alternatively evaluate a dimension of the at least one feature (for example, its spread in the longitudinal direction of the security thread and/or transversely thereto) to calculate the stretch.
- control unit can, in the device according to the present invention, carry out a pattern matching between the at least one recorded feature and a stored target image of the feature. In this way, it can be ensured that even features that are distorted due to the stretch of the security thread can easily be recognized and evaluated.
- control unit can control, depending on the calculated stretch, via the substrate module, the embedding of the security thread to prevent an exceedance of the specified maximum stretch of the security thread.
- the device according to the present invention can be developed as a paper manufacturing machine (e.g. as a cylinder mold machine), and the substrate module exhibit a moving mold to manufacture the substrate, the image recording module being arranged immediately after the mold.
- the embedded security thread can be detected still in the damp and not yet dried sheet-type substrate, such that the waste in the event of an overstretching of the security thread can be minimized.
- the image recording module can be arranged at the end of the paper manufacturing machine.
- the image recording module can be arranged after the dryer section or immediately before the winding of the substrate.
- the image recording module can record the image or images of the at least one feature in transmitted light or reflected light.
- the image recording module can record multiple features simultaneously in one recording.
- control unit can control, with the substrate module, the mechanical tension of the security thread upon embedding in the substrate.
- the substrate module can exhibit a tensile-force-regulated thread winding for this.
- FIG. 1 a schematic diagram of an embodiment of the device according to the present invention for manufacturing a sheet-type substrate having a security thread
- FIG. 2 a schematic top view of a portion of a security thread to be embedded
- FIG. 3 a schematic top view of a section of the sheet-type substrate to explain the precisely registered introduction of the security thread
- FIG. 4 a top view according to FIG. 3 to explain an alternative to the precisely registered introduction of the security thread.
- the device 1 comprises a removal mold 6 and a removal roll 7 to remove the substrate 2 formed on the cylinder mold 5 .
- the device 1 further comprises a feed module 8 for feeding the security thread 3 to the cylinder mold 5 to at least partially embed the security thread 3 in the substrate 2 in a known manner under traction, an image recording module 9 having an illumination unit 10 and a camera 11 , an obliteration module 12 and a control unit 13 .
- the feed module 8 provides a tensile-force-regulated thread winding, such that a desired mechanical thread tension (in the longitudinal direction of the security thread 3 ) can be set upon introducing the security thread 3 .
- the device 1 can exhibit, after the obliteration module 12 , yet further modules known to the person of skill in the art, such as a press section, a dryer section, a winding, etc.
- a processing module 16 is drawn in in FIG. 1 representatively for said modules.
- the cylinder mold 5 , the mold trough 4 , the feed module 8 , the removal mold 6 and the removal roll 7 together can also be referred to as the substrate module.
- features 15 that are periodically arranged in the longitudinal direction of the security thread 3 are recorded as images and fed to the control unit 13 .
- Such features 15 are depicted in FIG. 2 .
- the spacing of two adjacent features 15 is thus the period length x 1
- the spread of each feature 15 in the longitudinal direction of the security thread 3 is, in each case, x 2 .
- the values for x 1 and x 2 in the unstretched state of the security thread 3 are known.
- the recordings are preferably carried out in such a way that at least two features 15 are displayed on each recording.
- the control unit 13 calculates the actual stretch present in the longitudinal direction of the security thread 3 in the embedded state.
- control unit 13 can calculate the value for the spacing x 1 of two adjacent features 15 of the embedded security thread 3 and compare it with a target value. If the calculated value for x 1 is less than or equal to the target value, the tension of the security thread 3 can, for example, be maintained upon feeding. If the target value is exceeded, the stretch of the security thread 3 in the embedded state is too large. The tension upon feeding the security thread 3 is therefore reduced to reduce the stretch of the security thread 3 for the further production of the substrate 2 .
- control unit 13 can address the obliteration module 12 if the calculated value for the spacing x 1 lies above the target value, so that the corresponding region of the substrate 2 in which the stretch of the security thread 3 is too large is obliterated.
- a pattern matching for example, can be carried out between a stored pattern (target pattern) of the feature 15 and the recorded feature 15 .
- the spacing value x 1 and/or x 2 can quickly be calculated at high precision.
- the features can be unambiguously recognized in the recordings, even if they are deformed to different extents due to the existing stretch of the embedded security thread 3 .
- the features 15 can be developed not only as cleartext. It is also possible that the features 15 include geometric shapes or are developed as such. For example, rectangular marks can be used.
- the image recording module 9 provides a transmitted light illumination. This is easily possible, for example in an illumination with wavelengths from the visible wavelength range.
- the image recording module 9 carries out the image recordings immediately after the substrate 2 having the embedded security thread 3 is removed, and thus still before the dryer section of the paper manufacturing machine 1 , the waste can quickly be recognized and obliterated. Furthermore, too large a thread stretch can be detected and corrected very quickly. In this way, the waste at substrate manufacture can also be minimized.
- the thread width x 3 of the embedded thread 3 can be calculated from the recordings. In this way, a further parameter is available, such that the determination of the existing stretch of the security thread 3 in the longitudinal direction can be done yet more precisely.
- the image recording module 9 can be arranged at yet other locations of the device 1 , that are then spaced further apart from the removal roll 7 .
- the obliteration module 12 is arranged at such a spacing from the image recording module 9 that a sure and reliable obliteration can occur when the overstretching of the security thread 3 is ascertained.
- Precisely registered thread introduction means that the security thread must be stretched to the sheet dimension of a sheet 17 ( FIG. 3 ) of the sheet-type substrate 2 and, additionally, a feature 15 of each introduced security thread is placed to a reference mark 19 in the sheet 17 .
- a reference mark 19 in the sheet 17 .
- two security threads 3 are shown that are each placed in the sheet 2 with respect to the reference mark 19 , which can be, for example, a watermark.
- the regions 18 indicate the banknotes to be manufactured, all regions 18 forming the so-called up region of the sheet 2 .
- the features 15 of the security thread 3 can be positioned in the longitudinal direction of the security thread (direction P 7 ) with respect to the up region. Further, the reference mark 19 also serves to position the security threads 3 in the transverse direction (arrow P 6 ).
- FIG. 4 a modification is shown in which the reference mark 19 serves only to position the security threads in the transverse direction (arrow P 6 ).
- a separate reference mark 20 , 21 is provided for each security thread 3 .
Abstract
Description
- a) a security thread having features spaced apart from one another in the longitudinal direction of the security thread is inserted into the substrate in such a way that it is at least partially embedded in the substrate,
- b) at least one of the features is displayed as an image after the embedding of the security thread,
- c) the stretch of the embedded security thread in the longitudinal direction is calculated based on the image of the at least one feature, and
- d) the region of the substrate in which the calculated stretch of the security thread exceeds a specified maximum stretch is obliterated depending on the calculated stretch.
Claims (11)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011115133.1 | 2011-10-07 | ||
DE102011115133 | 2011-10-07 | ||
DE102011115133A DE102011115133A1 (en) | 2011-10-07 | 2011-10-07 | Method and device for producing a sheet-like substrate |
PCT/EP2012/004155 WO2013050150A1 (en) | 2011-10-07 | 2012-10-04 | Method and device for the production of a sheet-type substrate |
Publications (2)
Publication Number | Publication Date |
---|---|
US20140332174A1 US20140332174A1 (en) | 2014-11-13 |
US9243366B2 true US9243366B2 (en) | 2016-01-26 |
Family
ID=47088785
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/350,121 Expired - Fee Related US9243366B2 (en) | 2011-10-07 | 2012-10-04 | Method and device for manufacturing a sheet-like substrate |
Country Status (6)
Country | Link |
---|---|
US (1) | US9243366B2 (en) |
EP (1) | EP2764159B1 (en) |
CN (1) | CN103958773B (en) |
DE (1) | DE102011115133A1 (en) |
ES (1) | ES2618797T3 (en) |
WO (1) | WO2013050150A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9708773B2 (en) | 2011-02-23 | 2017-07-18 | Crane & Co., Inc. | Security sheet or document having one or more enhanced watermarks |
DE102011115133A1 (en) * | 2011-10-07 | 2013-04-11 | Giesecke & Devrient Gmbh | Method and device for producing a sheet-like substrate |
DE102018008162A1 (en) * | 2018-10-16 | 2020-04-16 | Giesecke+Devrient Currency Technology Gmbh | Method and device for producing security paper with window security thread |
Citations (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462866A (en) | 1981-02-19 | 1984-07-31 | Portals Limited | Sheet materials |
WO1993001057A1 (en) | 1991-07-10 | 1993-01-21 | Leonhard Kurz Gmbh & Co. | Credit or security document comprising an anti-forgery device, and a carrier strip with transferable pattern for producing such a document |
US5405500A (en) * | 1991-10-25 | 1995-04-11 | Portals Limited | Method for making sheet materials and security paper |
US5509691A (en) * | 1992-10-26 | 1996-04-23 | Gao Gesellschaft Fur Automation Und Organisation Mbh | Security element in the form of threads or strips to be embedded in security documents and a method for producing and testing the same |
EP1002640A1 (en) | 1998-11-20 | 2000-05-24 | Agra Vadeko Inc. | Improved security thread and method and apparatus for applying same to a substrate |
WO2003070482A1 (en) * | 2002-02-22 | 2003-08-28 | Giesecke & Devrient Gmbh | Security document and security element for a security document |
GB2395959A (en) | 2002-12-05 | 2004-06-09 | Rue De Int Ltd | Manufacturing a fibrous substrate with controlled incorporation of an elongate security element |
CN1584203A (en) | 2004-06-16 | 2005-02-23 | 海南亚元防伪纸业有限公司 | Producing method for high-speed safety line antifogery paper |
US7264691B2 (en) * | 2002-06-25 | 2007-09-04 | De La Rue International Limited | Fibrous substrates |
US20080216976A1 (en) * | 2005-05-12 | 2008-09-11 | Giesecke & Deverient Gmbh | Security Paper and a Method for the Production Thereof |
DE102008029638A1 (en) * | 2008-06-23 | 2009-12-24 | Giesecke & Devrient Gmbh | security element |
DE102009022612A1 (en) * | 2009-05-26 | 2010-12-02 | Giesecke & Devrient Gmbh | Security element, security system and manufacturing method therefor |
US8550340B2 (en) * | 2009-09-21 | 2013-10-08 | Giesecke & Devrient Gmbh | Elongated security feature comprising machine-readable magnetic regions |
US20140238628A1 (en) * | 2011-09-06 | 2014-08-28 | Giesecke & Devrient Gmbh | Method for Manufacturing a Security Paper and Microlens Thread |
US20140332174A1 (en) * | 2011-10-07 | 2014-11-13 | Giesecke & Devrient Gmbh | Method and Device for Manufacturing a Sheet-Like Substrate |
US8919821B2 (en) * | 2004-01-16 | 2014-12-30 | De La Rue International Limited | Security substrate incorporating elongate security elements |
-
2011
- 2011-10-07 DE DE102011115133A patent/DE102011115133A1/en not_active Withdrawn
-
2012
- 2012-10-04 CN CN201280058689.2A patent/CN103958773B/en active Active
- 2012-10-04 US US14/350,121 patent/US9243366B2/en not_active Expired - Fee Related
- 2012-10-04 EP EP12778952.7A patent/EP2764159B1/en active Active
- 2012-10-04 WO PCT/EP2012/004155 patent/WO2013050150A1/en active Application Filing
- 2012-10-04 ES ES12778952.7T patent/ES2618797T3/en active Active
Patent Citations (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4462866A (en) | 1981-02-19 | 1984-07-31 | Portals Limited | Sheet materials |
WO1993001057A1 (en) | 1991-07-10 | 1993-01-21 | Leonhard Kurz Gmbh & Co. | Credit or security document comprising an anti-forgery device, and a carrier strip with transferable pattern for producing such a document |
US5405500A (en) * | 1991-10-25 | 1995-04-11 | Portals Limited | Method for making sheet materials and security paper |
US5509691A (en) * | 1992-10-26 | 1996-04-23 | Gao Gesellschaft Fur Automation Und Organisation Mbh | Security element in the form of threads or strips to be embedded in security documents and a method for producing and testing the same |
EP1002640A1 (en) | 1998-11-20 | 2000-05-24 | Agra Vadeko Inc. | Improved security thread and method and apparatus for applying same to a substrate |
US6447630B1 (en) | 1998-11-20 | 2002-09-10 | Agra Vadeko Inc. | Security thread and method and apparatus for applying same to a substrate |
WO2003070482A1 (en) * | 2002-02-22 | 2003-08-28 | Giesecke & Devrient Gmbh | Security document and security element for a security document |
US7264691B2 (en) * | 2002-06-25 | 2007-09-04 | De La Rue International Limited | Fibrous substrates |
GB2395959A (en) | 2002-12-05 | 2004-06-09 | Rue De Int Ltd | Manufacturing a fibrous substrate with controlled incorporation of an elongate security element |
US20060016557A1 (en) * | 2002-12-05 | 2006-01-26 | Paul Howland | Insertion of an elongate element into a fibrous substrate |
US8919821B2 (en) * | 2004-01-16 | 2014-12-30 | De La Rue International Limited | Security substrate incorporating elongate security elements |
CN1584203A (en) | 2004-06-16 | 2005-02-23 | 海南亚元防伪纸业有限公司 | Producing method for high-speed safety line antifogery paper |
US20080216976A1 (en) * | 2005-05-12 | 2008-09-11 | Giesecke & Deverient Gmbh | Security Paper and a Method for the Production Thereof |
DE102008029638A1 (en) * | 2008-06-23 | 2009-12-24 | Giesecke & Devrient Gmbh | security element |
DE102009022612A1 (en) * | 2009-05-26 | 2010-12-02 | Giesecke & Devrient Gmbh | Security element, security system and manufacturing method therefor |
US8550340B2 (en) * | 2009-09-21 | 2013-10-08 | Giesecke & Devrient Gmbh | Elongated security feature comprising machine-readable magnetic regions |
US20140238628A1 (en) * | 2011-09-06 | 2014-08-28 | Giesecke & Devrient Gmbh | Method for Manufacturing a Security Paper and Microlens Thread |
US20140332174A1 (en) * | 2011-10-07 | 2014-11-13 | Giesecke & Devrient Gmbh | Method and Device for Manufacturing a Sheet-Like Substrate |
Non-Patent Citations (3)
Title |
---|
Chinese Search Report from Chinese Application No. 2012800586892, Feb. 5, 2015. |
International Preliminary Report on Patentability from International Application PCT/EP2012/004155, Apr. 8, 2014. |
International Search Report and Written Opinion from International Application PCT/EP2012/004155, Mar. 25, 2013. |
Also Published As
Publication number | Publication date |
---|---|
DE102011115133A1 (en) | 2013-04-11 |
CN103958773A (en) | 2014-07-30 |
WO2013050150A1 (en) | 2013-04-11 |
CN103958773B (en) | 2016-08-17 |
US20140332174A1 (en) | 2014-11-13 |
EP2764159A1 (en) | 2014-08-13 |
EP2764159B1 (en) | 2016-12-14 |
ES2618797T3 (en) | 2017-06-22 |
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